Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSSCION2010TC L4-2.4L (2AZ-FE)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSTESTING AND INSPECTIONSCAN TOOL TESTING AND PROCEDURESFREEZE FRAME DATA
2010 Scion tC L4-2.4L (2AZ-FE)
Freeze Frame Data
2010 Scion tC L4-2.4L (2AZ-FE)SECTION Freeze Frame Data
2AZ-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: FREEZE FRAME DATA
1. DESCRIPTION
* The ECM records vehicle and driving condition information as freeze frame data when a malfunction is detected. When troubleshooting, it can help determine if the vehicle was running or stopped, the engine was warmed up or not, the air-fuel ratio was lean or rich, and other data from the time the malfunction occurred.
HINT
If it is impossible to duplicate the problem even though a DTC is detected, confirm the freeze frame data.
* The ECM records engine conditions in the form of freeze frame data every 0.5 seconds. Using the Techstream, 5 separate sets of freeze frame data can be checked.
* 3 data sets before the DTC was set.
* 1 data set when the DTC was set.
* 1 data set after the DTC was set.
* These data sets can be used to simulate the condition of the vehicle around the time of the occurrence of the malfunction. The data may assist in identifying the cause of the malfunction, and in judging whether it was temporary or not.
2. LIST OF FREEZE FRAME DATA
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.